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Re: Preamp Tubes? - Who, What, When, Where, Why, and How?
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Originally Posted by RiverRatt
Well, I struck out in my 12BZ7 quest. I did find a few 12BY7s but I wasn't sure if they were a legitimate substitute or not. Any ideas?
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The 12BY7's were used, I believe in some old Fenders. They are low gain tubes. Also, the basing is different and I wouldn't recommend swapping them as damage could result. A 12AX7 has a "9A" pinout and the 12BY7 has a "9BF" pinout.
Marty
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